;lisp bindings
(ffi sin "class/fixed/lisp_sin" 0)
(ffi cos "class/fixed/lisp_cos" 0)
(ffi frac "class/fixed/lisp_frac" 0)
(ffi floor "class/fixed/lisp_floor" 0)
(ffi recip "class/fixed/lisp_recip" 0)
